JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 3 x 56 Hydraulic Expansion Chucks With a straight shank for

With a straight shank for secure clamping in standard toolholders

it provides controlled material removal and burr-free finishes

reliable verification during production

Its compact 1

designed for professional workshops that demand consistent size and a clean bore

JBO Thread Ring Gauge (GO) - UNF - Right Hand - 2A - No. 3 x 56 Hydraulic Expansion Chucks With a straight shank forThe JBO Thread Ring Gauge (GO) UNF Right Hand 2A No. 3 x 56 is a precision GO gauge designed to verify external thread diameters against UNF standards. Built for engineers, inspectors, machinists, and quality teams, it speeds up the inspection process while delivering reliable results. Constructed from hardened steel, it resists wear and maintains tight tolerances in demanding environments, ensuring longlasting performance on the shop floor. Its